http://www.disneyfoodblog.com/wp-con...y-DHS-sign.jpg
The exceptions are those that have glow cubes or other decorations that make them expensive, at a site that does not do dining plan, or cupcakes that are super sized. Last year they sold for $6.50 a glow cube topped holiday cupcake.
Bring zip lock bags and a tote bag or lots of tupperware. I find carting food around DTD let alone a park can be daunting.